121322321213971 has 2 divisors, whose sum is σ = 121322321213972. Its totient is φ = 121322321213970.

The previous prime is 121322321213957. The next prime is 121322321214023. The reversal of 121322321213971 is 179312123223121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121322321213971 - 2⁷ = 121322321213843 is a prime.

It is not a weakly prime, because it can be changed into another prime (121322321213921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60661160606985 + 60661160606986.

It is an arithmetic number, because the mean of its divisors is an integer number (60661160606986).

Almost surely, 2^{121322321213971} is an apocalyptic number.

121322321213971 is a deficient number, since it is larger than the sum of its proper divisors (1).

121322321213971 is an equidigital number, since it uses as much as digits as its factorization.

121322321213971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The spelling of 121322321213971 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, three hundred twenty-one million, two hundred thirteen thousand, nine hundred seventy-one".